Optical Square
Usage/Application | Survey |
Color | Customised |
Weight | 500-800 Gram |
Category: SURVEYING INSTRUMENTS (Offline)
Tag: Optical Square
Description
Consists of Brass / suitable metal hollow box having open face about 6 x 3 cms. and closed face about 2 x 3 cm. and deep about 4cm to 5cm. provided with a brass handle about 8cm. in length. Two mirrors fixed at an angle of 45 degree to the inclined sides of the box. Circular type made up of brass & fitted with double reflecting mirror right & left to 90.
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